Home / 252,436.16-348,356.29-139,258.88

Finding the Fourth Proportional to 252,436.16, 348,356.29 and 139,258.88

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Solution

The fourth proportional to 252,436.16, 348,356.29 and 139,258.88 is: 192,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,436.16 : 348,356.29 = 139,258.88 : x
  2. Step 2: Convert to fraction form
    252,436.16/348,356.29 = 139,258.88/x
  3. Step 3: Cross multiply
    252,436.16x = 348,356.29 × 139,258.88
  4. Step 4: Simplify right side
    252,436.16x = 48,511,704,696.43
  5. Step 5: Solve for x
    x = 48,511,704,696.43/252,436.16
  6. Step 6: Final answer
    x = 192,174.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.